Visit Your Local PBS Station PBS Home PBS Home Programs A-Z TV Schedules Watch Video Donate Shop PBS Search PBS
NOVA ScienceNOW

RNAi Explained

  • By Lexi Krock
  • Posted 07.01.05
  • NOVA scienceNOW

RNAi, short for "RNA interference," is a remarkable way to shut down the expression of genes. Harnessing its power could lead to great advances in medical science and molecular biology. But how does it work? In this interactive, see RNAi explained both through easy-to-grasp cartoon metaphors as well as using the standard terms of biology textbooks.

Launch Interactive

What is RNAi and how does it work? We'll show you using cartoon metaphors as well as standard scientific terms.

Credits

Images

(all animations)
© WGBH/NOVA
(H.I.V.)
© Photo Researchers
(striped petunia)
Courtesy of Richard Jorgensen

Related Links

  • RNAi

    A wayward petunia leads to the discovery of modest little molecules with enormous medical promise.

  • RNAi: Expert Q&A

    Researcher Greg Hannon of Cold Spring Harbor Laboratory answers questions about RNAi and its medical applications.

  • The RNAi Cure?

    Will RNAi, already in human clinical trials, treat a host of diseases, including AIDS, cancer, and Huntington's?

  • RNAi Explained

    Using scientific animations and illustrated metaphors, this interactive activity explains RNAi and how it works.

Close

You need the Flash Player plug-in to view this content.